Engineering Science N5 — Memo

August 2021 — N5 — Engineering Science

N5 2021 Nated Engineering

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Q1— Section header —

1.1.1True

1.1.2True

1.1.3False

1.1.4False

1.1.5

1.2.1he amount of refraction that rays undergo differs from one optical medium to another

1.2.2Adhesion i s the force of attraction between molecules of different substance

1.2.3Is the amount of light radiated by a black container/body with a surface area of 100 mm filled with liquid platinum allowed to set at 500

1.2.4Magnetic flux i s an induction of the number of line passing through a given area

1.2.5

1.3.1Adiabatic

1.3.2Isothermic

1.3.3Adiabatic

1.3.4Polytropic

1.3.5

1.4Sun Stars Discharge of electricity

1.5Red Green [25]25

Q2— Section header —

2.1.1The ring method (2\

2.1.2To determine the force required to pull ring from a liquid T= 0. 2(0.2\ (3\

2.2OA = elastic area = limit of elasticity ield point CD = lastic area aximum tensile stress reaking point

2.4Different concentrations of a substance diffuse differently. The time required for the complete diffusion increases with the depth of the container and is proportional to the square of the depth. A rise in temperature

2.5[25]25

Q3— Section header —

3.1.1= 5 m (1\

4.5

2.934 m (3\

3.1.3m=

4.5

0.083 Kg/m

3.2Image is in front of the mirror Image is real Image is inverted

3.3.1

3.3.3

3.4By mixing one part of red and two parts of peacock (2\ [25]25

Q4— Section header —

4.1

1.4246.271 m First overtone:

0.7Hz

4.2.3

1.5

4.4.1F = 200 mm , a = 300 mm (2\

4.4.2Size : V= (2\

4.4.3

Mark Allocation

Sections25 + 25 + 25 + 25 = 100 marks

Paper information

TitleMemo

SubjectEngineering Science

LevelN5

Document typeNated Engineering

Year2021

MonthAugust

Pages8

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonWinter (SH)

Start daySunday

Exam periodAugust 2021

Days since exam1,897

About Engineering Science examination preparation

Engineering Science combines physics principles with engineering applications. The examination covers mechanics, thermodynamics, electricity, and materials science at the relevant N-level.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

applying physics principles

selecting appropriate formulae

performing calculations with units

interpreting engineering scenarios

explaining scientific reasoning

A practical revision approach

Create a formula sheet organised by topic. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling — always write the formula before substituting values.

File details

File size291.2 KB

Pages8

Archived on8 September 2026

File age47d

ContributorFreeMode

Fingerprint2163BEF20AA5

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